/*
* e-cal-attachment-handler.c
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, see .
*
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#include "evolution-config.h"
#include "e-cal-attachment-handler.h"
#include
#include
#include
#include
#include
#include
#include
#define E_CAL_ATTACHMENT_HANDLER_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), E_TYPE_CAL_ATTACHMENT_HANDLER, ECalAttachmentHandlerPrivate))
typedef struct _ImportContext ImportContext;
struct _ECalAttachmentHandlerPrivate {
gint placeholder;
};
struct _ImportContext {
ECalClient *client;
icalcomponent *component;
ECalClientSourceType source_type;
};
static gpointer parent_class;
static GType cal_attachment_handler_type;
static const gchar *ui =
""
" "
" "
" "
" "
" "
" "
"";
static icalcomponent *
attachment_handler_get_component (EAttachment *attachment)
{
CamelDataWrapper *wrapper;
CamelMimePart *mime_part;
CamelStream *stream;
GByteArray *buffer;
icalcomponent *component;
const gchar *key = "__icalcomponent__";
component = g_object_get_data (G_OBJECT (attachment), key);
if (component != NULL)
return component;
if (e_attachment_get_loading (attachment) ||
e_attachment_get_saving (attachment))
return NULL;
mime_part = e_attachment_ref_mime_part (attachment);
if (mime_part == NULL)
return NULL;
buffer = g_byte_array_new ();
stream = camel_stream_mem_new ();
camel_stream_mem_set_byte_array (CAMEL_STREAM_MEM (stream), buffer);
wrapper = camel_medium_get_content (CAMEL_MEDIUM (mime_part));
camel_data_wrapper_decode_to_stream_sync (wrapper, stream, NULL, NULL);
g_object_unref (stream);
g_object_unref (mime_part);
if (buffer->len > 0) {
const gchar *str;
/* ensure string being null-terminated */
g_byte_array_append (buffer, (const guint8 *) "", 1);
str = (const gchar *) buffer->data;
while (*str && g_ascii_isspace (*str))
str++;
if (g_ascii_strncasecmp (str, "BEGIN:", 6) == 0)
component = e_cal_util_parse_ics_string (str);
}
g_byte_array_free (buffer, TRUE);
if (component == NULL)
return NULL;
g_object_set_data_full (
G_OBJECT (attachment), key, component,
(GDestroyNotify) icalcomponent_free);
return component;
}
typedef struct {
EShell *shell;
ESource *source;
icalcomponent *icalcomp;
const gchar *extension_name;
} ImportComponentData;
static void
import_component_data_free (gpointer ptr)
{
ImportComponentData *icd = ptr;
if (icd) {
g_clear_object (&icd->shell);
g_clear_object (&icd->source);
if (icd->icalcomp)
icalcomponent_free (icd->icalcomp);
g_free (icd);
}
}
static void
import_component_thread (EAlertSinkThreadJobData *job_data,
gpointer user_data,
GCancellable *cancellable,
GError **error)
{
ImportComponentData *icd = user_data;
icalcomponent_kind need_kind = ICAL_ANY_COMPONENT;
icalcomponent *subcomp, *vcalendar;
icalcompiter iter;
EClient *e_client;
ECalClient *client = NULL;
g_return_if_fail (icd != NULL);
e_client = e_util_open_client_sync (job_data, e_shell_get_client_cache (icd->shell), icd->extension_name, icd->source, 30, cancellable, error);
if (e_client)
client = E_CAL_CLIENT (e_client);
if (!client)
return;
if (g_str_equal (icd->extension_name, E_SOURCE_EXTENSION_CALENDAR))
need_kind = ICAL_VEVENT_COMPONENT;
else if (g_str_equal (icd->extension_name, E_SOURCE_EXTENSION_MEMO_LIST))
need_kind = ICAL_VJOURNAL_COMPONENT;
else if (g_str_equal (icd->extension_name, E_SOURCE_EXTENSION_TASK_LIST))
need_kind = ICAL_VTODO_COMPONENT;
if (need_kind == ICAL_ANY_COMPONENT) {
g_warn_if_reached ();
goto out;
}
iter = icalcomponent_begin_component (icd->icalcomp, ICAL_ANY_COMPONENT);
while ((subcomp = icalcompiter_deref (&iter)) != NULL) {
icalcomponent_kind kind;
kind = icalcomponent_isa (subcomp);
icalcompiter_next (&iter);
if (kind == need_kind)
continue;
if (kind == ICAL_VTIMEZONE_COMPONENT)
continue;
icalcomponent_remove_component (icd->icalcomp, subcomp);
icalcomponent_free (subcomp);
}
switch (icalcomponent_isa (icd->icalcomp)) {
case ICAL_VEVENT_COMPONENT:
case ICAL_VJOURNAL_COMPONENT:
case ICAL_VTODO_COMPONENT:
vcalendar = e_cal_util_new_top_level ();
if (icalcomponent_get_method (icd->icalcomp) == ICAL_METHOD_CANCEL)
icalcomponent_set_method (vcalendar, ICAL_METHOD_CANCEL);
else
icalcomponent_set_method (vcalendar, ICAL_METHOD_PUBLISH);
icalcomponent_add_component (vcalendar, icalcomponent_new_clone (icd->icalcomp));
break;
case ICAL_VCALENDAR_COMPONENT:
vcalendar = icalcomponent_new_clone (icd->icalcomp);
if (!icalcomponent_get_first_property (vcalendar, ICAL_METHOD_PROPERTY))
icalcomponent_set_method (vcalendar, ICAL_METHOD_PUBLISH);
break;
default:
goto out;
}
e_cal_client_receive_objects_sync (client, vcalendar, cancellable, error);
icalcomponent_free (vcalendar);
out:
g_clear_object (&client);
}
static void
attachment_handler_row_activated_cb (GtkDialog *dialog)
{
gtk_dialog_response (dialog, GTK_RESPONSE_OK);
}
static void
attachment_handler_run_dialog (GtkWindow *parent,
EAttachment *attachment,
ECalClientSourceType source_type,
const gchar *title)
{
EShell *shell;
EShellWindow *shell_window = NULL;
GtkWidget *dialog;
GtkWidget *container;
GtkWidget *widget;
ESourceRegistry *registry;
ESourceSelector *selector;
ESource *source;
const gchar *extension_name;
icalcomponent *component;
switch (source_type) {
case E_CAL_CLIENT_SOURCE_TYPE_EVENTS:
extension_name = E_SOURCE_EXTENSION_CALENDAR;
break;
case E_CAL_CLIENT_SOURCE_TYPE_TASKS:
extension_name = E_SOURCE_EXTENSION_TASK_LIST;
break;
case E_CAL_CLIENT_SOURCE_TYPE_MEMOS:
extension_name = E_SOURCE_EXTENSION_MEMO_LIST;
break;
default:
g_return_if_reached ();
}
if (E_IS_SHELL_WINDOW (parent)) {
shell_window = E_SHELL_WINDOW (parent);
shell = e_shell_window_get_shell (shell_window);
} else {
GList *windows, *wlink;
shell = e_shell_get_default ();
windows = gtk_application_get_windows (GTK_APPLICATION (shell));
for (wlink = windows; wlink; wlink = g_list_next (wlink)) {
if (E_IS_SHELL_WINDOW (wlink->data)) {
shell_window = E_SHELL_WINDOW (wlink->data);
break;
}
}
}
g_return_if_fail (shell_window != NULL);
component = attachment_handler_get_component (attachment);
g_return_if_fail (component != NULL);
dialog = gtk_dialog_new_with_buttons (
title, parent, GTK_DIALOG_DESTROY_WITH_PARENT,
_("_Cancel"), GTK_RESPONSE_CANCEL, NULL);
widget = gtk_button_new_with_mnemonic (_("I_mport"));
gtk_button_set_image (
GTK_BUTTON (widget), gtk_image_new_from_icon_name (
"stock_mail-import", GTK_ICON_SIZE_MENU));
gtk_dialog_add_action_widget (
GTK_DIALOG (dialog), widget, GTK_RESPONSE_OK);
gtk_widget_show (widget);
gtk_window_set_default_size (GTK_WINDOW (dialog), 300, 400);
container = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
widget = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (
GTK_SCROLLED_WINDOW (widget),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_shadow_type (
GTK_SCROLLED_WINDOW (widget), GTK_SHADOW_IN);
gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0);
gtk_widget_show (widget);
container = widget;
registry = e_shell_get_registry (shell);
widget = e_source_selector_new (registry, extension_name);
selector = E_SOURCE_SELECTOR (widget);
e_source_selector_set_show_toggles (selector, FALSE);
gtk_container_add (GTK_CONTAINER (container), widget);
gtk_widget_show (widget);
g_signal_connect_swapped (
widget, "row-activated",
G_CALLBACK (attachment_handler_row_activated_cb), dialog);
if (gtk_dialog_run (GTK_DIALOG (dialog)) != GTK_RESPONSE_OK)
goto exit;
source = e_source_selector_ref_primary_selection (selector);
if (source != NULL) {
EShellView *shell_view;
EActivity *activity;
icalcomponent *icalcomp;
ImportComponentData *icd;
const gchar *description;
const gchar *alert_ident;
icalcomp = attachment_handler_get_component (attachment);
switch (source_type) {
case E_CAL_CLIENT_SOURCE_TYPE_EVENTS:
description = _("Importing an event");
alert_ident = "calendar:failed-create-event";
break;
case E_CAL_CLIENT_SOURCE_TYPE_MEMOS:
description = _("Importing a memo");
alert_ident = "calendar:failed-create-memo";
break;
case E_CAL_CLIENT_SOURCE_TYPE_TASKS:
description = _("Importing a task");
alert_ident = "calendar:failed-create-task";
break;
default:
g_warn_if_reached ();
goto exit;
}
shell_view = e_shell_window_get_shell_view (shell_window,
e_shell_window_get_active_view (shell_window));
icd = g_new0 (ImportComponentData, 1);
icd->shell = g_object_ref (shell);
icd->source = g_object_ref (source);
icd->icalcomp = icalcomponent_new_clone (icalcomp);
icd->extension_name = extension_name;
activity = e_shell_view_submit_thread_job (shell_view, description, alert_ident,
e_source_get_display_name (source), import_component_thread, icd,
import_component_data_free);
g_clear_object (&activity);
g_object_unref (source);
}
exit:
gtk_widget_destroy (dialog);
}
static void
attachment_handler_import_ical (EAttachmentHandler *handler,
ECalClientSourceType source_type,
const gchar *title)
{
EAttachment *attachment;
EAttachmentView *view;
GList *selected;
gpointer parent;
view = e_attachment_handler_get_view (handler);
parent = gtk_widget_get_toplevel (GTK_WIDGET (view));
parent = gtk_widget_is_toplevel (parent) ? parent : NULL;
selected = e_attachment_view_get_selected_attachments (view);
g_return_if_fail (g_list_length (selected) == 1);
attachment = E_ATTACHMENT (selected->data);
attachment_handler_run_dialog (parent, attachment, source_type, title);
g_object_unref (attachment);
g_list_free (selected);
}
static void
attachment_handler_import_to_calendar (GtkAction *action,
EAttachmentHandler *handler)
{
attachment_handler_import_ical (handler, E_CAL_CLIENT_SOURCE_TYPE_EVENTS, _("Select a Calendar"));
}
static void
attachment_handler_import_to_memos (GtkAction *action,
EAttachmentHandler *handler)
{
attachment_handler_import_ical (handler, E_CAL_CLIENT_SOURCE_TYPE_MEMOS, _("Select a Memo List"));
}
static void
attachment_handler_import_to_tasks (GtkAction *action,
EAttachmentHandler *handler)
{
attachment_handler_import_ical (handler, E_CAL_CLIENT_SOURCE_TYPE_TASKS, _("Select a Task List"));
}
static GtkActionEntry standard_entries[] = {
{ "import-to-calendar",
"stock_mail-import",
N_("I_mport to Calendar"),
NULL,
NULL, /* XXX Add a tooltip! */
G_CALLBACK (attachment_handler_import_to_calendar) },
{ "import-to-memos",
"stock_mail-import",
N_("I_mport to Memo List"),
NULL,
NULL, /* XXX Add a tooltip! */
G_CALLBACK (attachment_handler_import_to_memos) },
{ "import-to-tasks",
"stock_mail-import",
N_("I_mport to Task List"),
NULL,
NULL, /* XXX Add a tooltip! */
G_CALLBACK (attachment_handler_import_to_tasks) }
};
static void
cal_attachment_handler_update_actions (EAttachmentView *view)
{
EAttachment *attachment;
GtkAction *action;
GList *selected;
icalcomponent *component;
icalcomponent *subcomponent;
icalcomponent_kind kind;
gboolean is_vevent = FALSE;
gboolean is_vjournal = FALSE;
gboolean is_vtodo = FALSE;
selected = e_attachment_view_get_selected_attachments (view);
if (g_list_length (selected) != 1)
goto exit;
attachment = E_ATTACHMENT (selected->data);
component = attachment_handler_get_component (attachment);
if (component == NULL)
goto exit;
subcomponent = icalcomponent_get_inner (component);
if (subcomponent == NULL)
goto exit;
kind = icalcomponent_isa (subcomponent);
is_vevent = (kind == ICAL_VEVENT_COMPONENT);
is_vjournal = (kind == ICAL_VJOURNAL_COMPONENT);
is_vtodo = (kind == ICAL_VTODO_COMPONENT);
exit:
action = e_attachment_view_get_action (view, "import-to-calendar");
gtk_action_set_visible (action, is_vevent);
action = e_attachment_view_get_action (view, "import-to-memos");
gtk_action_set_visible (action, is_vjournal);
action = e_attachment_view_get_action (view, "import-to-tasks");
gtk_action_set_visible (action, is_vtodo);
g_list_foreach (selected, (GFunc) g_object_unref, NULL);
g_list_free (selected);
}
static void
cal_attachment_handler_constructed (GObject *object)
{
EAttachmentHandler *handler;
EAttachmentView *view;
GtkActionGroup *action_group;
GtkUIManager *ui_manager;
GError *error = NULL;
handler = E_ATTACHMENT_HANDLER (object);
/* Chain up to parent's constructed() method. */
G_OBJECT_CLASS (parent_class)->constructed (object);
view = e_attachment_handler_get_view (handler);
action_group = e_attachment_view_add_action_group (view, "calendar");
gtk_action_group_add_actions (
action_group, standard_entries,
G_N_ELEMENTS (standard_entries), handler);
ui_manager = e_attachment_view_get_ui_manager (view);
gtk_ui_manager_add_ui_from_string (ui_manager, ui, -1, &error);
if (error != NULL) {
g_warning ("%s", error->message);
g_error_free (error);
}
g_signal_connect (
view, "update_actions",
G_CALLBACK (cal_attachment_handler_update_actions),
NULL);
}
static void
cal_attachment_handler_class_init (ECalAttachmentHandlerClass *class)
{
GObjectClass *object_class;
parent_class = g_type_class_peek_parent (class);
g_type_class_add_private (class, sizeof (ECalAttachmentHandlerPrivate));
object_class = G_OBJECT_CLASS (class);
object_class->constructed = cal_attachment_handler_constructed;
}
static void
cal_attachment_handler_init (ECalAttachmentHandler *handler)
{
handler->priv = E_CAL_ATTACHMENT_HANDLER_GET_PRIVATE (handler);
}
GType
e_cal_attachment_handler_get_type (void)
{
return cal_attachment_handler_type;
}
void
e_cal_attachment_handler_register_type (GTypeModule *type_module)
{
static const GTypeInfo type_info = {
sizeof (ECalAttachmentHandlerClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) cal_attachment_handler_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class_data */
sizeof (ECalAttachmentHandler),
0, /* n_preallocs */
(GInstanceInitFunc) cal_attachment_handler_init,
NULL /* value_table */
};
cal_attachment_handler_type = g_type_module_register_type (
type_module, E_TYPE_ATTACHMENT_HANDLER,
"ECalAttachmentHandler", &type_info, 0);
}